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Search results with tag "National blindness and visual impairment survey"
The Nigeria national blindness and visual impairment survey
pbunion.orgOverview • The National Blindness and Visual Impairment Survey in Nigeria was conducted in 2005-2007 (30 months of fi eld work) • Multi-stage stratifi ed cluster random sampling, with probability proportional-to-size procedures, was used to select a cross-sectional, nationally
Key Findings - NPCBVI
npcbvi.gov.inThe National Blindness and Visual Impairment Survey 2015-2019 was conducted in order to provide the evidence about the present status of blindness and visual impairment in India. The survey was planned by the Ministry of Health and Family Welfare, Government of India. Dr Rajendra Prasad